package com.atguigu.tingshu.album.api;

import com.atguigu.tingshu.album.config.MinioConstantProperties;
import com.atguigu.tingshu.common.result.Result;
import io.minio.*;
import io.minio.errors.MinioException;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.apache.commons.io.FilenameUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.security.InvalidKeyException;
import java.security.NoSuchAlgorithmException;
import java.util.UUID;

@Tag(name = "上传管理接口")
@RestController
@RequestMapping("api/album")
public class FileUploadApiController {

    @Autowired
    private MinioConstantProperties minioConstantProperties;

    //  http://127.0.0.1/api/album/fileUpload

    /**
     * 文件上传
     * @param file 接收前端传递的数据
     * @return
     */
    @Operation(summary = "文件上传")
    @PostMapping("/fileUpload")
    public Result fileUpload(MultipartFile file){
        //  声明一个url 变量存储文件上传之后的地址
        String url = "";
        //  使用minio 进行文件上传，需要调用Api
            try {
                // Create a minioClient with the MinIO server playground, its access key and secret key.
                MinioClient minioClient =
                        MinioClient.builder()
                                .endpoint(minioConstantProperties.getEndpointUrl())
                                .credentials(minioConstantProperties.getAccessKey(), minioConstantProperties.getSecreKey())
                                .build();

                // Make 'asiatrip' bucket if not exist.
                boolean found =
                        minioClient.bucketExists(BucketExistsArgs.builder().bucket(minioConstantProperties.getBucketName()).build());
                if (!found) {
                    // Make a new bucket called 'asiatrip'.
                    minioClient.makeBucket(MakeBucketArgs.builder().bucket(minioConstantProperties.getBucketName()).build());
                } else {
                    System.out.println("Bucket 'asiatrip' already exists.");
                }
                //  生成一个上传之后的文件名称:
                //  获取到原始文件名称. atguigu.jpg;
                //  String originalFilename = file.getOriginalFilename(); // at.guigu.jpg subString(); lastIndexOf(".");
                //  FilenameUtils.getExtension(originalFilename); // jpg
                String fileName = UUID.randomUUID().toString().replaceAll("-","")+file.getOriginalFilename();
                //  minioClient.uploadObject() 需要文件上传原始路径。
                minioClient.putObject(
                        PutObjectArgs.builder().bucket(minioConstantProperties.getBucketName()).object(fileName).stream(
                                        file.getInputStream(), file.getSize(), -1)
                                .contentType(file.getContentType())
                                .build());
                //  imgcps.jd.com/img-cubic/creative_server_cia_jdcloud/v2/2000366/15896288178/FocusFullshop/CkJqZnMvdDEvNjY0MTcvMjUvMjQ3NzkvNTUzMTYvNjQxY2Y4MmJGNDJmZTMyNWYvMjY1MzRmOGNkNTY0ZmNlMi5qcGcSCjk5OS10eV8wXzEwATjui3pYsrf4mzs/cr/s/q.jpg
                //  http://192.168.200.130:9000/bjatguiguts/xxx.jpg;
                url= minioConstantProperties.getEndpointUrl()+"/"+minioConstantProperties.getBucketName()+"/"+fileName;
                System.out.println("url:\t"+url);
            } catch (MinioException e) {
                System.out.println("Error occurred: " + e);
                System.out.println("HTTP trace: " + e.httpTrace());
            } catch (IOException e) {
                throw new RuntimeException(e);
            } catch (NoSuchAlgorithmException e) {
                throw new RuntimeException(e);
            } catch (InvalidKeyException e) {
                throw new RuntimeException(e);
            }
        //  返回url
        return Result.ok(url);
    }


}
